Geologic Timeline-NIya

  • Cambrian Period 570-500 MYA
    500 BCE

    Cambrian Period 570-500 MYA

  • Ordovician Period 500 MYA
    500 BCE

    Ordovician Period 500 MYA

    echinoderms
    invertebrates
    earliest fish (abundant)
  • Silurian Period 435 MYA
    435 BCE

    Silurian Period 435 MYA

    Earliest terrestrial plants and animals
  • Devonian Period 395 MYA
    395 BCE

    Devonian Period 395 MYA

    armored fish extinct
    earliest amphibians and ammonites
  • Carboniferous 345 Period MYA
    345 BCE

    Carboniferous 345 Period MYA

    abundant sharks and amphibians
    Large swamp lands
    coal-forming forests
    earliesgt reptiles
    scale trees & seed ferns
  • Permian Period 280 MYA
    280 BCE

    Permian Period 280 MYA

    Volcanic eruptions ( 1st mass extinction )
    95% al species extinct ( including trilobites)
  • Triassic Period 225 MYA
    225 BCE

    Triassic Period 225 MYA

    earliest dinosaurs
    abundant cycads and conifers
  • Jurassic Period 195 MYA
    195 BCE

    Jurassic Period 195 MYA

    earliest birds & mammals
    abundant dinosaurs & ammonites
  • Cretaceous Period 136 MYA
    136 BCE

    Cretaceous Period 136 MYA

    earliest flowering plants
    climax of dinosaurs
    decline o/ brachiopods
    abundance o/ bony fish
    meteor extinction (65%)
  • Tertiary Period 65 MYA
    65 BCE

    Tertiary Period 65 MYA

    earliest placental mammals & large running
  • Quaternary Period 1.8 MYA- Present
    1 BCE

    Quaternary Period 1.8 MYA- Present

    Large carnivores
    Neanderthals
    mastodons